More then 65 years
of excellent work

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Система менеджмента качества OOO "NP ESAN" сертифицирована национальным органом по сертификации НИИ СМС

The main activity

The main activity of “NP ESAN” Ltd. is a commissioning of the main and auxiliary power equipment of industry enterprises in different industries; current and major repairs of power equipment, power units, commissioning and repair of electrical equipment and automation equipment as well as water and steam boilers measuring.

“NP ESAN” Ltd. has invaluable experience in commissioning works on the start-up of all kinds of electrical equipment, carrier-current communication devices, teleautomatics, no-break power, information-measuring and industrial control.

OUR CONSTANT CUSTOMERS are

  • “UZBEKENERGO” STATE STOCK COMPANY ;
  • “UZBEKNEFTEGAZ” NATIONAL HOLDING ;
  • “UZBEKISTON TEMIR YULLARI” STATE STOCK RAILWAY COMPANY
  • MINISTRY OF WATER AND AGRICULTURE INDUCTRY OF REPUBLIC UZBEKISTAN.

Long cooperation experience with exacting organizations is a convincing evidence of a high qualification of our specialists in the following types of commissioning:

On electrotechnical equipment

  • functional test of electric devices;
  • commissioning and preventive check of relay protection, automation and alarm:
  • power lines of all voltage classes;
  • power transformers with a voltage up to 1000 mVA;
  • turbogenerators up to 800 mWt;
  • high-voltage tests and measurements of electrical equipment characteristics;
  • commissioning of excitation system and synchronization with electrical machines network, static changers and no-break power systems, emergency automation systems of power systems (PA), carrier-current (HF) communication and teleautomatics along the power lines including on microprocessor base.

On control and measuring instruments, automation and industrial control

  • any technical devices with their submission to the state verification;
  • measuring system of temperature, pressure, flow, level on any element base;
  • system of mechanical units and power equipment vibration;
  • system of automation control and management (industrial control)
  • locking and regulating valves;
  • process protections and blockings,
  • technological and emergency alarm;
  • reconstruction of production control and management system realized on the basis of microprocessor technology;
  • local program-technical devices consisting of distributed industrial control technological processes;
  • devices of automatic fire extinguishing and alarm;
  • systems of commercial accounting of electric power and energy supplies.

Metrological services

  • metrological certification of the information-measuring system channels
  • documents preparation for the metrological certification of the measuring complex flow units
  • calibration and repairs of heat engineering, electrotechnical and radio measurement.
  • tests on determination of the quality of electric energy

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